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-   -   02 1200 running fine, then suddenly coughs and sputters (https://www.hdforums.com/forum/sportster-models/800874-02-1200-running-fine-then-suddenly-coughs-and-sputters.html)

yz426onnos 08-23-2012 02:36 PM

02 1200 running fine, then suddenly coughs and sputters
 
So i was riding and it was running great, then i took off from the light, and had no power just coughs and sputters. It will fire up fine and idle fine, but will not take throttle. Just coughs and sputters out the carb.

Ive cleaned the airfilter, changed the gas, installed seafoam, changed and gapped the plugs and checked the oil level. Their is also no codes.

I guess the next step is to tear apart the carb or do you think it could be the ignition module?

Zimbob 08-23-2012 03:31 PM

What happens when you pull the choke out?

yz426onnos 08-23-2012 06:47 PM


Originally Posted by Zimbob (Post 10242167)
What happens when you pull the choke out?


Revs up a bit for a few seconds and that's about it. give it gas and it dies.

Karate Dave 09-02-2012 07:31 PM

I have a similar problem. Did you sort it?

Davemac122383 09-02-2012 11:10 PM

does it only do this after the bike is warmed up? like 15-20mins+?? If so I'm willing to bet its the crank position sensor. I had this issue and everything pointed to a fueling issue. The crank position sensor is only 50 bucks and all dealers stock them because it is very common failure. I'd buy one and try it and if its not it atleast you have one for when it does actually go.


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